4g/LTE video streaming unusable (Huawei E3372H)

jfregeau

Hey guys,

I'm currently using UAVcast-pro to stream video from a raspberry pi to my laptop using a Huawei E3372H modem and the provided gstreamer pipeline. When using wifi the stream works perfectly, unfortunately when using the usb modem I am getting 6-10% packet loss, rendering the stream unusable. I have measured 2-3 Mbps of bandwidth between the pi and my laptop using Iperf3 which should be enough for 240p 100kbps 20fps video. I have tried many different combinations of bitrate, resolution and fps with little improvement.

Does anybody have any recommendations for a different type of dongle or any other solutions?

My setup:
-raspberry pi3 B+
-pi cam
-Zerotier VPN
-Huawei E3372h usb modem

Thank you for your help
Jamieson

jfregeau

EDIT:
on further inspection when measuring TCP, the signal cuts out randomly

Connecting to host 172.22.195.218, port 5201
[ 4] local 172.22.164.83 port 55111 connected to 172.22.195.218 port 5201
[ ID] Interval Transfer Bandwidth
[ 4] 0.00-1.01 sec 768 KBytes 6.25 Mbits/sec
[ 4] 1.01-2.01 sec 384 KBytes 3.14 Mbits/sec
[ 4] 2.01-3.01 sec 128 KBytes 1.05 Mbits/sec
[ 4] 3.01-4.02 sec 0.00 Bytes 0.00 bits/sec
[ 4] 4.02-5.01 sec 128 KBytes 1.05 Mbits/sec
[ 4] 5.01-6.02 sec 256 KBytes 2.09 Mbits/sec
[ 4] 6.02-7.01 sec 384 KBytes 3.17 Mbits/sec
[ 4] 7.01-8.01 sec 256 KBytes 2.09 Mbits/sec
[ 4] 8.01-9.01 sec 0.00 Bytes 0.00 bits/sec
[ 4] 9.01-10.00 sec 128 KBytes 1.05 Mbits/sec

[ ID] Interval Transfer Bandwidth
[ 4] 0.00-10.00 sec 2.38 MBytes 1.99 Mbits/sec sender
[ 4] 0.00-10.00 sec 2.26 MBytes 1.90 Mbits/sec receiver

iperf Done.

jfregeau

here is the udp result for comparison

C:\Users\Jamieson Fregeau\Desktop\iperf-3.1.3-win64>iperf3 -c 172.22.195.218 -u Connecting to host 172.22.195.218, port 5201

[ 4] local 172.22.164.83 port 54353 connected to 172.22.195.218 port 5201

[ ID] Interval Transfer Bandwidth Total Datagrams

[ 4] 0.00-1.01 sec 128 KBytes 1.04 Mbits/sec 16

[ 4] 1.01-2.00 sec 128 KBytes 1.06 Mbits/sec 16

[ 4] 2.00-3.00 sec 128 KBytes 1.04 Mbits/sec 16

[ 4] 3.00-4.01 sec 128 KBytes 1.04 Mbits/sec 16

[ 4] 4.01-5.00 sec 128 KBytes 1.06 Mbits/sec 16

[ 4] 5.00-6.01 sec 128 KBytes 1.04 Mbits/sec 16

[ 4] 6.01-7.01 sec 128 KBytes 1.05 Mbits/sec 16

[ 4] 7.01-8.01 sec 128 KBytes 1.05 Mbits/sec 16

[ 4] 8.01-9.01 sec 128 KBytes 1.05 Mbits/sec 16

[ 4] 9.01-10.01 sec 128 KBytes 1.05 Mbits/sec 16

[ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams

[ 4] 0.00-10.01 sec 1.25 MBytes 1.05 Mbits/sec 16.461 ms 20/159 (13%)

[ 4] Sent 159 datagrams

iperf Done.

ask21

Same problem here.
E3372 is unusable.
Mine connects on startup and than disconnects forever.
Did you find a solution?